Finding the Fourth Proportional to 931,016.16, 1,284,803.82 and 528,608.16

Step by Step Solution

1. Step 1: Write the proportion equation
   931,016.16 : 1,284,803.82 = 528,608.16 : x
2. Step 2: Convert to fraction form
   931,016.16/1,284,803.82 = 528,608.16/x
3. Step 3: Cross multiply
   931,016.16x = 1,284,803.82 × 528,608.16
4. Step 4: Simplify right side
   931,016.16x = 679,157,783,251.17
5. Step 5: Solve for x
   x = 679,157,783,251.17/931,016.16
6. Step 6: Final answer
   x = 729,480.12